Change the color of GridViewCell Based on value when using DataTable

[rahat]

Hi 
I am trying to find a solution for changing the color of RadGridView based on the value. In "CellStyleSelector" example I have to define what the style is but in my case the background color can be one of many colors .Cell Background becomes darker shades of Red if value increase , darker  shades of green when value goes below 0 and vice versa. I am unable to figure out a way to do it. 

[Dimitar Dinev]

Hello Rahat,

The best way to achieve the desired behavior is to use a converter, since there are multiple conditions.

public class ValueToColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            int count = (int)value;
            if (count < 0 && count >=-2)
                return new SolidColorBrush(Colors.Orange);
            else if (count < -2)
                return new SolidColorBrush(Colors.Red);
            else if (count > 0 && count <=2)
                return new SolidColorBrush(Colors.GreenYellow);
            else if (count > 2)
                return new SolidColorBrush(Colors.Green);
            return new SolidColorBrush(Colors.White);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

Attached, you can find a sample project demonstrating this approach. Please, review it and let me know if it delivered the desired result.

Regards,
Dimitar Dinev
Progress Telerik